21470417330 has 64 divisors (see below), whose sum is σ = 40273085952. Its totient is φ = 8235575040.

The previous prime is 21470417273. The next prime is 21470417357. The reversal of 21470417330 is 3371407412.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6201800 + ... + 6205260.

It is an arithmetic number, because the mean of its divisors is an integer number (629266968).

Almost surely, 2^21470417330 is an apocalyptic number.

21470417330 is a deficient number, since it is larger than the sum of its proper divisors (18802668622).

21470417330 is a wasteful number, since it uses less digits than its factorization.

21470417330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3779.

The product of its (nonzero) digits is 14112, while the sum is 32.

The spelling of 21470417330 in words is "twenty-one billion, four hundred seventy million, four hundred seventeen thousand, three hundred thirty".